Question

8 = a -2
What does a equal

Answer 1

a=10


8 = a-2
+2= a +2
a=10

Answer 2

a = 10

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

1. Brackets
2. Parenthesis
3. Exponents
4. Multiplication
5. Division
6. Addition
7. Subtraction

• Left to Right

Equality Properties

• Multiplication Property of Equality
• Division Property of Equality
• Addition Property of Equality
• Subtract Property of Equality

Explanation:

Step 1: Define

8 = a - 2

Step 2: Solve for a

1. Add 2 on both sides: 10 = a
2. Rewrite: a = 10

Step 3: Check

Plug in a into the original equation to verify it's a solution.

1. Substitute in a: 8 = 10 - 2
2. Subtract: 8 = 8

Here we see that 8 does indeed equal 8.

∴ a = 10 is the solution to the equation.